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Weather & Climate
Bristol Bay Borough, Alaska, United States
Overview
Climate data and monthly weather averages for Bristol Bay Borough.
Key Metrics
Annual Avg
1.6°C
Summer Avg
12.8°C
Winter Avg
-8.5°C
Record High
30.7°C
Record Low
-40°C
Annual Precipitation
1014.5 mm
Avg Humidity
87%
Summer Humidity
79%
Winter Humidity
95%
Monthly Averages
| Month | High (°C) | Avg (°C) | Low (°C) | Rain (mm) | Humidity (%) | Sunshine (h) | Wind (kph) |
|---|---|---|---|---|---|---|---|
| Jan | 6.8° | -10.3° | -40° | 71.9 | 95% | 13 | 70.1 |
| Feb | 7° | -6.6° | -37.5° | 67.8 | 94% | 30 | 71 |
| Mar | 9.6° | -7° | -32.4° | 51.8 | 92% | 83 | 60.3 |
| Apr | 18.4° | 0.7° | -22.5° | 61.5 | 85% | 117 | 59.5 |
| May | 25° | 7° | -9.1° | 74.4 | 79% | 151 | 61.2 |
| Jun | 28.3° | 11.7° | 1.5° | 71.1 | 76% | 156 | 46.2 |
| Jul | 30.7° | 13.7° | 4.3° | 101.4 | 80% | 135 | 53 |
| Aug | 27° | 13.1° | 2.4° | 109.7 | 82% | 111 | 55.7 |
| Sep | 21.9° | 8.8° | -3.8° | 123.6 | 85% | 76 | 55.9 |
| Oct | 14.2° | 2.3° | -18.7° | 106 | 90% | 43 | 61.3 |
| Nov | 9.1° | -5.4° | -30.4° | 88.8 | 95% | 17 | 65.2 |
| Dec | 5.8° | -8.6° | -35.9° | 86.5 | 95% | 8 | 81.5 |
Frequently Asked Questions
Sources: NASA POWER · Last updated: 2025
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